Volkswagen Golf / Golf GTI / Jetta. Manual — part 923

01-29

VAG 1551
printout

Possible cause

Corrective actions

01296

Center vent
temperature sensor
-G191-

No center vent
temperature sensor -
G191- installed.

Open/short circuit
to B+

1)

Climatronic control
module -J255-
incorrectly coded.

- Select the following functions one after
another: 07 Code control module

Page 01-41

& 04 Basic setting

Page

01-35

Short circuit to
Ground

1)

Climatronic control
module -J255-
incorrectly coded.

- Select the following functions one after
another: 07 Code control module

Page 01-41

& 04 Basic setting

Page

01-35

1)

One of these messages will be displayed in addition to indication of relevant

component.

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005

01-30

VAG 1551
printout

Possible cause

Corrective actions

01297

Footwell vent
temperature sensor
-G192-

Open/short circuit
to B+

1)

Short to positive or open circuit in
wiring or connectors to footwell
vent temperature sensor -G192-

- Check -G192- using
function 08 Read
measured value bock

Page 01-43

- Repair wiring and
connectors using wiring
diagram.

Short circuit to
Ground

1)

Short circuit to Ground in wiring or
connectors to footwell vent
temperature sensor -G192-

-G192- malfunctioning

- Check -G192- using
function 08 Read
measured value bock

Page 01-43

- Repair wiring and
connectors using wiring
diagram.

- Replace -G192-.

1)

One of these messages will be displayed in addition to indication of relevant

component.

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005

01-31

VAG 1551
printout

Possible cause

Corrective actions

65535

Control
module

Wiring or connectors to
Climatronic control
module -J255-

- Check wiring and connectors using wiring
diagram.

Climatronic control
module malfunctioning

Replace Climatronic Control Module -J255-.
Then select following functions one after
another: 07 Code control module

Page 01-

41

& 04 Basic setting

Page 01-35

- Check Climatronic Control Module -J255-
using function 08 Read measuring value block

Page 01-43

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005

01-32

Output Diagnostic Test Mode (DTM)
(function 03)

Notes:

Output Diagnostic Test Mode (DTM) must be

performed with engine not running, ignition
switched on and Climatronic switched off.
(Switch Climatronic off by pressing button to
reduce blower speed

Page 87-35

, item 17 ).

For definitive results, output DTM must be

performed when the outside temperature is at
least 12 C (53 F) as displayed on the A/C
control head.

Automatic regulation of Climatronic does not

take place during output DTM.

If necessary, output DTM can be repeated

several times.

Output Diagnostic Test Mode ( DTM),
initiating

- Connect VAG 1551 Scan Tool (ST) and enter

address word "08 AC/Heating electronics" and
then press

button, until "Select function XX"

appears in display

Page 01-8

.

Rapid data transfer

HELP

Select function XX

Indicated on display (function selection):

- Press buttons -0- and -3- to select function 03

Output Diagnostic Test Mode (DTM).

Rapid data transfer

Q

03 - Output Diagnostic Test Mode

Indicated on display:

- Confirm input with -Q- button.

Climatronic On Board Diagnostic (OBD) through m.y. 2001

13/2/2005